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Subject: fix endianess check for cross-compiling
From: Michael Olbrich <m.olbrich@pengutronix.de>
The original check tries to run a program to check the endianess.
This fails when cross-compiling. Use autoconf stuff instead.
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
---
# 20091229 rsc: there's already a similar patch in the libnet git, so we
# wait for a new release
autogen.sh | 8 ++++++++
configure.in | 12 +++++++++++-
2 files changed, 19 insertions(+), 1 deletion(-)
Index: b/autogen.sh
===================================================================
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,8 @@
+rm -fr autom4te.cache
+libtoolize --copy --force
+aclocal -I .
+#autoheader
+automake -a -c --foreign
+autoconf
+rm -fr autom4te.cache
+
Index: b/configure.in
===================================================================
--- a/configure.in
+++ b/configure.in
@@ -6,6 +6,7 @@ dnl All rights reserved.
dnl
dnl Process this file with autoconf to produce a configure script.
+AC_PREREQ(2.52)
AC_INIT(libnet, 1.1.4)
AC_MSG_RESULT(beginning autoconfiguration process for libnet-${PACKAGE_VERSION} ...)
AC_CANONICAL_SYSTEM
@@ -29,7 +30,16 @@ dnl
dnl And some custom things
dnl
-AC_LIBNET_ENDIAN_CHECK
+AC_C_BIGENDIAN([
+ AC_DEFINE([LIBNET_BIG_ENDIAN], [1], [big endian])
+ ENDIANESS="LIBNET_BIG_ENDIAN"
+ LIBNET_CONFIG_DEFINES="$LIBNET_CONFIG_DEFINES -DLIBNET_BIG_ENDIAN"
+],[
+ AC_DEFINE([LIBNET_LIL_ENDIAN], [1], [little endian])
+ ENDIANESS="LIBNET_LIL_ENDIAN"
+ LIBNET_CONFIG_DEFINES="$LIBNET_CONFIG_DEFINES -DLIBNET_LIL_ENDIAN"
+], AC_MSG_WARN(cannot detect endianess. try setting ac_cv_c_bigendian to yes or no))
+
AC_LBL_UNALIGNED_ACCESS
dnl AC_LBL_LIBRARY_NET
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